Text and Data Mining valid from 2020-02-17
Received: 22 April 2019
Accepted: 23 January 2020
First Online: 17 February 2020
Ethics approval and consent to participate
: For this study, a data use agreement was made between the first author and APIN. All necessary precautions were made to ensure patient confidentiality.
: Not applicable.
: The authors declare that they have no competing interests.